Exposure to the PEL of a substance will result in no adverse effects for _____ percent of healthy adults.

A set of results that fails the Rule of Three may indicate that

A) the patient has a pathological condition. B) the ratio of white blood cells to red blood cells is abnormal. C) the red blood cells in the sample have all lysed. D) the volume of blood obtained from the patient is insufficient for analysis.

Which of the following best describe the qualities of a typical pregnancy massage?

A) Stimulating and fast-paced B) Upbeat and deep C) Gentle and relaxing D) Vigorous and specific